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Role of oculoproprioception in coding the locus of attention

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Role of oculoproprioception in coding the locus of attention. / Odoj, Bartholomaeus; Balslev, Daniela.

In: Journal of Cognitive Neuroscience, Vol. 28, No. 3, 03.2016, p. 517-528.

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Odoj, B & Balslev, D 2016, 'Role of oculoproprioception in coding the locus of attention' Journal of Cognitive Neuroscience, vol 28, no. 3, pp. 517-528. DOI: 10.1162/jocn_a_00910

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Odoj, B., & Balslev, D. (2016). Role of oculoproprioception in coding the locus of attention. Journal of Cognitive Neuroscience, 28(3), 517-528. DOI: 10.1162/jocn_a_00910

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Odoj B, Balslev D. Role of oculoproprioception in coding the locus of attention. Journal of Cognitive Neuroscience. 2016 Mar;28(3):517-528. Available from, DOI: 10.1162/jocn_a_00910

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Odoj, Bartholomaeus; Balslev, Daniela / Role of oculoproprioception in coding the locus of attention.

In: Journal of Cognitive Neuroscience, Vol. 28, No. 3, 03.2016, p. 517-528.

Research output: Contribution to journalArticle

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@article{0d9d7a58285c404c83f1fe79d9f3c3f7,
title = "Role of oculoproprioception in coding the locus of attention",
abstract = "The most common neural representations for spatial attention encode locations retinotopically, relative to center of gaze. To keep track of visual objects across saccades or to orient toward sounds, retinotopic representations must be combined with information about the rotation of one's own eyes in the orbits. Although gaze input is critical for a correct allocation of attention, the source of this input has so far remained unidentified. Two main signals are available: corollary discharge (copy of oculomotor command) and oculoproprioception (feedback from extraocular muscles). Here we asked whether the oculoproprioceptive signal relayed from the somatosensory cortex contributes to coding the locus of attention. We used continuous theta burst stimulation (cTBS) over a human oculoproprioceptive area in the postcentral gyrus (S1EYE). S1EYE-cTBS reduces proprioceptive processing, causing ∼1° underestimation of gaze angle. Participants discriminated visual targets whose location was cued in a nonvisual modality. Throughout the visual space, S1EYE-cTBS shifted the locus of attention away from the cue by ∼1°, in the same direction and by the same magnitude as the oculoproprioceptive bias. This systematic shift cannot be attributed to visual mislocalization. Accuracy of open-loop pointing to the same visual targets, a function thought to rely mainly on the corollary discharge, was unchanged. We argue that oculoproprioception is selective for attention maps. By identifying a potential substrate for the coupling between eye and attention, this study contributes to the theoretical models for spatial attention.",
author = "Bartholomaeus Odoj and Daniela Balslev",
note = "This work was supported by the Danish Medical Research Councils (grant number 09-072209 to D. B.).",
year = "2016",
month = "3",
doi = "10.1162/jocn_a_00910",
volume = "28",
pages = "517--528",
journal = "Journal of Cognitive Neuroscience",
issn = "0898-929X",
publisher = "MIT Press Journals",
number = "3",

}

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TY - JOUR

T1 - Role of oculoproprioception in coding the locus of attention

AU - Odoj,Bartholomaeus

AU - Balslev,Daniela

N1 - This work was supported by the Danish Medical Research Councils (grant number 09-072209 to D. B.).

PY - 2016/3

Y1 - 2016/3

N2 - The most common neural representations for spatial attention encode locations retinotopically, relative to center of gaze. To keep track of visual objects across saccades or to orient toward sounds, retinotopic representations must be combined with information about the rotation of one's own eyes in the orbits. Although gaze input is critical for a correct allocation of attention, the source of this input has so far remained unidentified. Two main signals are available: corollary discharge (copy of oculomotor command) and oculoproprioception (feedback from extraocular muscles). Here we asked whether the oculoproprioceptive signal relayed from the somatosensory cortex contributes to coding the locus of attention. We used continuous theta burst stimulation (cTBS) over a human oculoproprioceptive area in the postcentral gyrus (S1EYE). S1EYE-cTBS reduces proprioceptive processing, causing ∼1° underestimation of gaze angle. Participants discriminated visual targets whose location was cued in a nonvisual modality. Throughout the visual space, S1EYE-cTBS shifted the locus of attention away from the cue by ∼1°, in the same direction and by the same magnitude as the oculoproprioceptive bias. This systematic shift cannot be attributed to visual mislocalization. Accuracy of open-loop pointing to the same visual targets, a function thought to rely mainly on the corollary discharge, was unchanged. We argue that oculoproprioception is selective for attention maps. By identifying a potential substrate for the coupling between eye and attention, this study contributes to the theoretical models for spatial attention.

AB - The most common neural representations for spatial attention encode locations retinotopically, relative to center of gaze. To keep track of visual objects across saccades or to orient toward sounds, retinotopic representations must be combined with information about the rotation of one's own eyes in the orbits. Although gaze input is critical for a correct allocation of attention, the source of this input has so far remained unidentified. Two main signals are available: corollary discharge (copy of oculomotor command) and oculoproprioception (feedback from extraocular muscles). Here we asked whether the oculoproprioceptive signal relayed from the somatosensory cortex contributes to coding the locus of attention. We used continuous theta burst stimulation (cTBS) over a human oculoproprioceptive area in the postcentral gyrus (S1EYE). S1EYE-cTBS reduces proprioceptive processing, causing ∼1° underestimation of gaze angle. Participants discriminated visual targets whose location was cued in a nonvisual modality. Throughout the visual space, S1EYE-cTBS shifted the locus of attention away from the cue by ∼1°, in the same direction and by the same magnitude as the oculoproprioceptive bias. This systematic shift cannot be attributed to visual mislocalization. Accuracy of open-loop pointing to the same visual targets, a function thought to rely mainly on the corollary discharge, was unchanged. We argue that oculoproprioception is selective for attention maps. By identifying a potential substrate for the coupling between eye and attention, this study contributes to the theoretical models for spatial attention.

U2 - 10.1162/jocn_a_00910

DO - 10.1162/jocn_a_00910

M3 - Article

VL - 28

SP - 517

EP - 528

JO - Journal of Cognitive Neuroscience

T2 - Journal of Cognitive Neuroscience

JF - Journal of Cognitive Neuroscience

SN - 0898-929X

IS - 3

ER -

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ID: 231554856